How many gold fish will a fishtank hold

Is keeping say, 10 small tropical, fish in a tank the size the OP said expensive? What are the costs involved? What will you regularly need to shell out for other than food?
 
Deific said:
Is keeping say, 10 small tropical, fish in a tank the size the OP said expensive? What are the costs involved? What will you regularly need to shell out for other than food?
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Essentially, no. its cheap.

The hobby gets expensive though when u get hooked!

My established tank rarely costs me more than food costs per month to run.
 
Deific said:
if I were to add a couple of the easier to grow and less demanding plants..?
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even the low light plants need at 1w of light per litre so your going to needa at least 40 w of light but you shouldn't need to add any ferts.

so apart from electricty and water usage and a bottle of dechorinator every now and then you shouldn't have any extra costs
 
What are the opinions on the Biorb tanks? Have thought about getting one of them for a while for my bedroom.

Im specifically looking at the Biorb 30 (8 US Gallon) or the BiUrb 35 (9 US Gallon), would also like to get the 50w heater pack to convert it to tropical
 
Thanks for the reply, wasn't sure whether going for a small tank like that would compromise the chance of having tropical fish in there even though they sell the kit!

Will go back to reading on this - very helpful thread this one :)
 
PaulyD said:
Thanks for the reply, wasn't sure whether going for a small tank like that would compromise the chance of having tropical fish in there even though they sell the kit!

Will go back to reading on this - very helpful thread this one :)
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tetras and corydoras generally only grow to 1-2" in length so are more suited to small tanks then cold water fish. you could keep a couple of tropical marine clown fish in there but it would be expensive and difficult
 
Just as an FYI for the OP.

copy and pasted from another fish thread i contributed to :)

Top 10 Aquarium Tips from Malt_Vinegar

Tip 1 - If you are not sure - Ask advice from multiple sources

There is a lot of mis-information and bad advice out there. Most of it is given out by chain stores and pet-shops. Even aquaria shops are prone to giving out poor advice. They, after all, do want to sell you stuff, and the more the better! (if you keep killing fish and buying more, they are onto a winner!)

Tip 2 - Cycling is important!

If you dont know what cycling is, then you are not ready to start your tank. Look up "fishless cycling" and go from there In my experience, cycling can only be sped up by one method (forget potions and pills). Seeded filter media..... This will require you to take filter media or gravel from an already established tank. Some local fish shops will help you with this. Hanging some gravel (or filter media) from their tanks in an old clean leg from a pair of tights whilst it cycles will help seed the tank with all the nice stuff from the establised media.

Tip 3 - Get the largest Aquarium you can afford/fit.

Larger tanks tend to be more stable than smaller ones. They tolerate changes better, and generally are easier to look after

Tip 4 - Get the best filter you can afford. Try and stick to recognised brands.

The better your filtration, the easier your tank will be to look after. A cheap filter dying on you when you go away for the weekend will mean dead fish.

Tip 5 - Add fish slowly

One of two fish is best after your cycle is completed. If you overstocking a tank too quickly, you will overload all the nice bacteria that you carefully established in your cycle. Check levels after a couple of weeks, and provided all is ok, you can add a couple more.

Tip 6 - Cleaning!

When you clean filter media, do it in old tank water (do it during a weekly water change - see next tip) to save time. You have established filter media full of good stuff. Squeeze and rinse in the old tank water and you wont kill/remove it all, and your filter will be back to top performance again in a couple of days. Tap water will kill all of this good stuff and you will be back to square one! This applies to your whole tank, so scrubbing and cleaning a tank, and re-filling it with tap water will put you back to square one! (No one likes cycling more than they have to!)

Tip 7 - Water changes.

Generally speaking 10% a week, or 20% everyu couple of weeks will be adequate. Your filter cannot remove some things from the water, and if the levels of these things builds up too high, the fish will be in pain, and eventually die. Water changes with de-chlorintated water will help to dilute these nasty things and will keep the tank healthy. Doing it little and often is a lot less of a pain than doing larger water-changes!! Rememeber the more stable your tank, the happier it is.

Tip 8 - Plants

Planted tanks look very pretty, and can be fantastic. However, some of plants require specialist equipment, certain substrate and supplements. Then of course you have the problem of your fish using them for a quick snack. Again, you need to re-search hardly plants if you have anything in the tank that might have a nibble. Be aware that lots of pet-stores sell plants that are not truly aquatic, and will not grow well, or simply die off quickly!

Tip 9 - Fish

Fish are great, they are fun and interesting to keep and watch. They are less fun when they are dead, or you have a tank that is being dominated by one fish that will ruin your chances to put anything else in. Research and ask questions about the fish you want, and take note of any special advice on care-sheets. Lots of fish require species only tanks, or have specialist dietory requirements. Failure to do this re-search will ruin your tank.

Tip 10 - FISH DO NOT GROW TO THE SIZE OF THE TANK

Fishkeepers all over the world cringe when they see this kind of statement. IT IS NOT TRUE!! Fish become stunted, unhealthy, die earlier, and in some cases become deformed when kept in tiny tanks. Dont do it!


My final guide point would be this. Fish keeping is the wrong name for this hobby. You are keeping the water, and the water is keeping the fish. Look after your water and fish environment, and your fish will thrive.
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PaulyD said:
What are the opinions on the Biorb tanks? Have thought about getting one of them for a while for my bedroom.

Im specifically looking at the Biorb 30 (8 US Gallon) or the BiUrb 35 (9 US Gallon), would also like to get the 50w heater pack to convert it to tropical
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I have one gathering dust somewhere. Personally i found them pretty poor - comparitively expensive to maintain as you need specific biorb parts for filters etc, and they are a total hassle to clean. Possibly ok for a small number of tropical fish, but really not suitable for goldfish. You'd be much better off getting a larger regular shaped tank with a decent filter and heater for the same money.

EDIT: Excellent post by Mr Vinegar above. Can't disagree with any of that. Only other thing i'd throw in is that once you have a couple of fish in a tank and want to add more, make sure you quarantine them for a couple of weeks first to ensure they don't have any diseases picked up in the shop you bought them. I've read several horror stories of people just throwing new fish straight into their established tank and it causing the death of all of them.
 
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Personally I find biorb stuff is a bit crap. Might look nice, but they are far from ideal for most fish, and generally cost you more to run.

If you want a "fashion tank" the best of a bad bunch is probably the Fluval Edge.
 
The more goldfish you have, the less big they will grow.
The more goldfish they are, less ox for them to breath. (will die)

I've got a 60L fish tank and just 3 goldfish.

Any way. Works out about 10.
 
fadetoblack said:
Right guys

got myself new tank
height 24"
width 18"
depth 16

holds 68 litres
I will be running 2 filters ( 1 3 stage Filtration System (Mechanical, Chemical & Biological) and a Fluval 2 plus
how many goldfish will this be ok for?

http://www.rocketaquatics.co.uk/fish-frf777-beech-large-hexagonal-tropical-aquarium-p-1222.html
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Ok, that's about 18 US gallons, so you could have maybe 2 fancy goldfish in there. Although even then it's a little too small.

I have a 25 US gallon, with 1 comet and 1 fancy (a pearlscale). Even then it requires regular maintenance/cleaning due to their constant pooing. On the upside tho, they are far more entertaining to watch than Celebrity Big Brother. :)
 
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Didnt see it was a hex, just looked a the capacity.

Not idea for Goldfish at all!!

Read the blurb for a start.

High quality all in one large hexagonal glass aquarium for tropical fish with built in filter & fluorescent light. Ideal for the home or office. This aquarium has a multifunction hood and fitted fluorescent light (with on/off switch). Hood also incorporates a silent water pump with advanced 3 stage Filtration System (Mechanical, Chemical & Biological): utlilising filter sponge, activated carbon & bio balls in the filter compartment..
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EgonSpengler said:
The only thing with fishless cycles is having the patience :p But as said, I used to keep coldwater fish when I was younger and was really into it at the time, but its been a while, so I don feel like a bit of a novice again.

Any reading material would be really useful thanks :) Dimensions are roughly 15in x 10in x 12in.
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I think you might get away with 6 pygmy cories and 6 ember tetra's, not a lot more.

Or alternatively a betta (siamese fighting fish.) They're beautiful and they're pretty full of character. I'd personally say the latter would be better - whilst its only one fish, its a very attractive one - and one that'll come to the front of the tank to see you when you're nearby.

And theres some good advice by Malt Vinegar above.
 
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